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media_module: add double cache in codec_mm_scatter [1/1]

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PD#SWPL-6677

Problem:
    Decocder allocation and free mmu memory spend a long time.

Solution:
    Add double cache to solve this problem.

Verify:
    Verified P212

Change-Id: I393ad47b921631a49f551b32e31fd776ff4dfeea
Signed-off-by: Peng Yixin <yixin.peng@amlogic.com>
This commit is contained in:
Peng Yixin
2019-03-19 20:11:58 +08:00
committed by Tao Zeng
parent f2789c9a47
commit 494bde0769
2 changed files with 327 additions and 53 deletions
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333
drivers/amlogic/media/common/codec_mm/codec_mm_scatter.c
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@@ -43,6 +43,8 @@
#include "codec_mm_priv.h"
#include "codec_mm_scatter_priv.h"
#include <trace/events/meson_atrace.h>
#define SCATTER_MEM "SCATTER_MEM"
@@ -175,10 +177,21 @@ struct codec_mm_scatter_mgt {
int alloc_1_10ms_cnt;
int alloc_10_100ms_cnt;
int alloc_100ms_up_cnt;
/*free time states*/
int free_max_us;
u64 free_total_us;
int free_cnt;
int free_10us_less_cnt;
int free_10_50us_cnt;
int free_50_100us_cnt;
int free_100_1000us_cnt;
int free_1_10ms_cnt;
int free_10_100ms_cnt;
int free_100ms_up_cnt;
struct delayed_work dealy_work;
int scatter_task_run_num;
struct codec_mm_scatter *cache_sc;
struct codec_mm_scatter *cache_scs[2];
int cached_pages;
spinlock_t list_lock;
struct mutex monitor_lock;
@@ -187,6 +200,8 @@ struct codec_mm_scatter_mgt {
struct list_head scatter_list; /*scatter list */
struct codec_mm_scatter *scmap[MAX_SC_LIST];/*used for valid check. */
};
#define is_cache_sc(smgt, mms) ((smgt->cache_scs[0] == mms) ||\
(smgt->cache_scs[1] == mms))
static struct codec_mm_scatter_s g_scatter;
static struct codec_mm_scatter_mgt *scatter_mgt;
@@ -272,6 +287,12 @@ static inline void codec_mm_scatter_lock(
{
mutex_lock(&mms->mutex);
}
static inline int codec_mm_scatter_trylock(
struct codec_mm_scatter *mms)
{
return mutex_trylock(&mms->mutex);
}
static inline void codec_mm_list_lock(
struct codec_mm_scatter_mgt *smgt)
{
@@ -365,6 +386,39 @@ static void codec_mm_update_alloc_time(
}
}
static void codec_mm_update_free_time(
struct codec_mm_scatter_mgt *smgt, u64 startus)
{
int spend_time_us;
spend_time_us = (int)(codec_mm_get_current_us() - startus);
if (spend_time_us > 0 && spend_time_us < 100000000) {
/* >0 && less than 100s*/
/*else think time base changed.*/
smgt->free_cnt++;
if (spend_time_us < 10)
smgt->free_10us_less_cnt++;
else if (spend_time_us < 50)
smgt->free_10_50us_cnt++;
else if (spend_time_us < 100)
smgt->free_50_100us_cnt++;
else if (spend_time_us < 1000)
smgt->free_100_1000us_cnt++;
else if (spend_time_us < 10000)
smgt->free_1_10ms_cnt++;
else if (spend_time_us < 100000)
smgt->free_10_100ms_cnt++;
else
smgt->free_100ms_up_cnt++;
smgt->free_total_us += spend_time_us;
if (spend_time_us > smgt->free_max_us) {
/*..*/
smgt->free_max_us = spend_time_us;
}
}
}
static void codec_mm_clear_alloc_infos_in(
struct codec_mm_scatter_mgt *smgt)
{
@@ -378,6 +432,17 @@ static void codec_mm_clear_alloc_infos_in(
smgt->alloc_100ms_up_cnt = 0;
smgt->alloc_total_us = 0;
smgt->alloc_max_us = 0;
smgt->free_cnt = 0;
smgt->free_10us_less_cnt = 0;
smgt->free_10_50us_cnt = 0;
smgt->free_50_100us_cnt = 0;
smgt->free_100_1000us_cnt = 0;
smgt->free_1_10ms_cnt = 0;
smgt->free_10_100ms_cnt = 0;
smgt->free_100ms_up_cnt = 0;
smgt->free_total_us = 0;
smgt->free_max_us = 0;
}
void codec_mm_clear_alloc_infos(void)
{
@@ -1022,19 +1087,60 @@ static int codec_mm_page_alloc_from_slot(
return alloced;
}
/*flags & 1; alloc.*/
static struct codec_mm_scatter *codec_mm_get_next_cache_scatter(
struct codec_mm_scatter_mgt *smgt,
struct codec_mm_scatter *cur_mms,
int flags)
{
struct codec_mm_scatter *mms = NULL;
codec_mm_list_lock(smgt);
if (cur_mms) {
if (smgt->cache_scs[0] == cur_mms)
mms = smgt->cache_scs[1];
else
mms = smgt->cache_scs[0];
} else if (smgt->cache_scs[0] && smgt->cache_scs[1]) {
int more_pages = flags & 1;
int id = -1;
if (smgt->cache_scs[0]->page_cnt >=
smgt->cache_scs[1]->page_cnt)
id = more_pages ? 0 : 1;
else
id = more_pages ? 1 : 0;
mms = smgt->cache_scs[id];
} else {
if (smgt->cache_scs[0])
mms = smgt->cache_scs[0];
else
mms = smgt->cache_scs[1];
}
codec_mm_list_unlock(smgt);
return mms;
}
static int codec_mm_page_alloc_from_free_scatter(
struct codec_mm_scatter_mgt *smgt,
phy_addr_type *pages, int num)
struct codec_mm_scatter *src_mms,
phy_addr_type *pages, int num, int wait)
{
struct codec_mm_scatter *mms;
int need = num;
int alloced = 0;
mms = smgt->cache_sc;
mms = src_mms;
if (!mms)
return 0;
codec_mm_scatter_lock(mms);
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_from_cache_scatter_1);
if (!wait) {
if (!codec_mm_scatter_trylock(mms))
return 0;/*mms is locked try another.*/
} else
codec_mm_scatter_lock(mms);
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_from_cache_scatter_2);
alloced = min(mms->page_cnt, need);
if (alloced > 0) {
mms->page_cnt -= alloced;
@@ -1053,13 +1159,35 @@ static int codec_mm_page_alloc_from_free_scatter(
memset(&mms->pages_list[mms->page_tail + 1], 0,
alloced * sizeof(phy_addr_type));
}
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_from_cache_scatter_3);
codec_mm_list_lock(smgt);
smgt->cached_pages = mms->page_cnt;
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_from_cache_scatter_4);
smgt->cached_pages -= alloced;
codec_mm_list_unlock(smgt);
codec_mm_scatter_unlock(mms);
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_from_cache_scatter_5);
return alloced;
}
static int codec_mm_page_alloc_from_cache_scatter(
struct codec_mm_scatter_mgt *smgt,
phy_addr_type *pages, int num)
{
struct codec_mm_scatter *src_mms;
int alloced;
src_mms = codec_mm_get_next_cache_scatter(smgt, NULL, 1);
alloced = codec_mm_page_alloc_from_free_scatter(smgt,
src_mms, pages, num, 0);
if (alloced < num) {
src_mms = codec_mm_get_next_cache_scatter(smgt, src_mms, 1);
alloced += codec_mm_page_alloc_from_free_scatter(smgt,
src_mms, &pages[alloced], num - alloced, 1);
}
return alloced;
}
static int codec_mm_page_alloc_all_locked(
struct codec_mm_scatter_mgt *smgt,
phy_addr_type *pages, int num, int iscache)
@@ -1072,17 +1200,25 @@ static int codec_mm_page_alloc_all_locked(
while (alloced < num) {
new_alloc = 0;
if (can_from_scatter) {
new_alloc = codec_mm_page_alloc_from_free_scatter(
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_from_free_scatter);
new_alloc = codec_mm_page_alloc_from_cache_scatter(
smgt,
pages + alloced,
num - alloced);
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_from_free_scatter_end);
if (new_alloc <= 0)
can_from_scatter = 0;
} else if (can_from_slot) {
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_from_slot);
new_alloc = codec_mm_page_alloc_from_slot(
smgt,
pages + alloced,
num - alloced);
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_from_slot_end);
if (new_alloc <= 0)
can_from_slot = 0;
} else if (!smgt->no_alloc_from_sys && !smgt->tvp_mode) {
@@ -1102,18 +1238,24 @@ static int codec_mm_page_alloc_all_locked(
static int codec_mm_pages_free_to_scatter(
struct codec_mm_scatter_mgt *smgt,
struct codec_mm_scatter *src_mms)
struct codec_mm_scatter *src_mms,
struct codec_mm_scatter *dst_mms,
int wait)
{
struct codec_mm_scatter *dst_mms;
int moved = 0;
int left;
if (src_mms->page_used >= src_mms->page_cnt)
return -1; /*no need free. */
dst_mms = smgt->cache_sc;
if (!dst_mms || src_mms == dst_mms)
return 0;
codec_mm_scatter_lock(dst_mms);
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_DTS);
if (!wait) {
if (!codec_mm_scatter_trylock(dst_mms))
return -2;/*mms is locked try another.*/
} else
codec_mm_scatter_lock(dst_mms);
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_DTS_LOCK);
moved = min(src_mms->page_cnt - src_mms->page_used,
dst_mms->page_max_cnt - dst_mms->page_cnt);
left = src_mms->page_cnt - moved;
@@ -1128,13 +1270,34 @@ static int codec_mm_pages_free_to_scatter(
dst_mms->page_tail += moved;
src_mms->page_cnt -= moved;
src_mms->page_tail -= moved;
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_SMGT);
codec_mm_list_lock(smgt);
smgt->cached_pages = dst_mms->page_cnt;
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_SMGT_LOCK);
smgt->cached_pages += moved;
codec_mm_list_unlock(smgt);
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_SMGT_LOCK_DONE);
codec_mm_scatter_unlock(dst_mms);
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_DTS_LOCK_DONE);
return moved;
}
static int codec_mm_page_free_to_cache_scatter(
struct codec_mm_scatter_mgt *smgt,
struct codec_mm_scatter *src_mms)
{
struct codec_mm_scatter *dst_mms;
int alloced;
dst_mms = codec_mm_get_next_cache_scatter(smgt, NULL, 0);
alloced = codec_mm_pages_free_to_scatter(smgt, src_mms,
dst_mms, 0);
if (alloced == -2) {
dst_mms = codec_mm_get_next_cache_scatter(smgt, dst_mms, 0);
alloced += codec_mm_pages_free_to_scatter(smgt, src_mms,
dst_mms, 1);
}
return alloced;
}
/*
@@ -1206,8 +1369,8 @@ static int codec_mm_scatter_free_pages_in_locked(
}
codec_mm_list_lock(smgt);
smgt->alloced_page_num -= freeNum;
if (smgt->cache_sc == mms)
smgt->cached_pages = mms->page_cnt;
if (is_cache_sc(smgt, mms))
smgt->cached_pages -= freeNum;
codec_mm_list_unlock(smgt);
return 0;
}
@@ -1235,7 +1398,9 @@ static int codec_mm_scatter_free_tail_pages_in(
if (!mms)
return -1;
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START);
codec_mm_scatter_lock(mms);
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_LOCK);
if (free_mode == 1)
start_free_id = mms->page_used;
if (free_mode == 2) {
@@ -1262,6 +1427,7 @@ static int codec_mm_scatter_free_tail_pages_in(
free_mode);
}
codec_mm_scatter_unlock(mms);
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_LOCK_DONE);
return -1;
}
smgt = (struct codec_mm_scatter_mgt *)mms->manager;
@@ -1271,17 +1437,25 @@ static int codec_mm_scatter_free_tail_pages_in(
if (fast_mode == 1) {
codec_mm_scatter_unlock(mms);
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_LOCK_DONE);
return 0;
}
if (fast_mode == 2 || fast_mode == 3) {
codec_mm_pages_free_to_scatter(smgt, mms);
u64 startus;
startus = codec_mm_get_current_us();
codec_mm_page_free_to_cache_scatter(smgt, mms);
codec_mm_update_free_time(smgt, startus);
if (fast_mode == 2 || mms->page_used == mms->page_cnt) {
codec_mm_scatter_unlock(mms);
ATRACE_COUNTER("mmu_free",
MMU_FREE_SCATTER_START_LOCK_DONE);
return 0;
}
}
codec_mm_scatter_free_pages_in_locked(mms, start_free_id);
codec_mm_scatter_unlock(mms);
ATRACE_COUNTER("mmu_free", MMU_FREE_SCATTER_START_LOCK_DONE);
return 0;
}
@@ -1469,7 +1643,7 @@ static int codec_mm_scatter_inc_user_in1(
if (old_user >= 0) {
ret = atomic_add_return(cnt, &mms->user_cnt);
if (old_user == 1)
mms->tofree_jiffies = 0;
mms->tofree_jiffies = jiffies;
}
codec_mm_list_unlock(smgt);
return ret <= 0 ? ret : 0; /*must add before user cnt >= 0 */
@@ -1513,13 +1687,8 @@ static int codec_mm_scatter_dec_user_in1(
after_users = atomic_sub_return(cnt, &mms->user_cnt);
if (after_users == 0) {
/*is free time*/
if (delay_free_ms > 0)
mms->tofree_jiffies = jiffies +
delay_free_ms * HZ/1000;
else {
mms->page_used = 0;
mms->tofree_jiffies = 0;
}
mms->tofree_jiffies = jiffies +
delay_free_ms * HZ/1000;
}
}
codec_mm_list_unlock(smgt);
@@ -1622,7 +1791,7 @@ struct codec_mm_scatter *codec_mm_scatter_alloc_new(
if (page_num > 0) {
ret = codec_mm_page_alloc_all_locked(smgt,
mms->pages_list, page_num,
mms == smgt->cache_sc);
is_cache_sc(smgt, mms));
if (ret <= 0)
goto error;
mms->page_cnt = ret;
@@ -1662,7 +1831,9 @@ struct codec_mm_scatter *codec_mm_scatter_alloc(
smgt = codec_mm_get_scatter_mgt(istvp);
startus = codec_mm_get_current_us();
alloced_mms = NULL;
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_SCATTER_START);
codec_mm_list_lock(smgt);
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_SCATTER_START_LOCK);
if (!list_empty(&smgt->scatter_list)) { /*try find a free scatter. */
pos = smgt->scatter_list.prev; /*free on prev. */
while (pos != &smgt->scatter_list) {
@@ -1681,17 +1852,26 @@ struct codec_mm_scatter *codec_mm_scatter_alloc(
pos = next;
}
}
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_SCATTER_START_LOCK_DONE);
codec_mm_list_unlock(smgt);
if (!alloced_mms) {
/*
*just alloc mms first,
*alloc pages later.
*/
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_SCATTER_ALLOC_NEW);
alloced_mms = codec_mm_scatter_alloc_new(smgt, max_page, 0);
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_SCATTER_ALLOC_NEW_END);
}
if (alloced_mms) {
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_SCATTER_ALLOC_WANT_PAGE_IN);
ret = codec_mm_scatter_alloc_want_pages_in(smgt, alloced_mms,
page_num);
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_SCATTER_ALLOC_WANT_PAGE_IN_END);
if (ret < 0) {
atomic_sub(1000, &alloced_mms->user_cnt);
return NULL;
@@ -1709,20 +1889,22 @@ static int codec_mm_scatter_alloc_want_pages_in(
struct codec_mm_scatter *mms,
int want_pages)
{
int ret;
int ret = 0;
if (want_pages > mms->page_max_cnt)
return CODEC_MM_S_ERR(100);
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_SCATTER_LOCK);
codec_mm_scatter_lock(mms);
codec_mm_list_lock(smgt);
mms->page_used = want_pages;
codec_mm_list_unlock(smgt);
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_SCATTER_LOCK_END);
if (want_pages > mms->page_cnt) {
ret = codec_mm_page_alloc_all_locked(
smgt,
&mms->pages_list[mms->page_tail + 1],
want_pages - mms->page_cnt,
mms == smgt->cache_sc);
is_cache_sc(smgt, mms));
if (ret <= 0) {
codec_mm_scatter_unlock(mms);
ERR_LOG("can't alloc want pages %d\n", want_pages);
@@ -1731,12 +1913,14 @@ static int codec_mm_scatter_alloc_want_pages_in(
mms->page_cnt += ret;
mms->page_tail += ret;
}
if (mms == smgt->cache_sc) {
codec_mm_list_lock(smgt);
if (smgt->cache_sc)/*update cache pages*/
smgt->cached_pages = smgt->cache_sc->page_cnt;
codec_mm_list_unlock(smgt);
}
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_LIST_LOCK_START);
codec_mm_list_lock(smgt);
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_LIST_LOCK);
if (ret > 0 && is_cache_sc(smgt, mms))
smgt->cached_pages += ret;
codec_mm_list_unlock(smgt);
ATRACE_COUNTER("mmu alloc", MMU_ALLOC_LIST_LOCK_END);
codec_mm_scatter_unlock(mms);
if (smgt->cached_pages < smgt->keep_size_PAGE / 2) {
/*try alloc more cache.*/
@@ -1878,6 +2062,18 @@ static int codec_mm_scatter_info_dump_in(
smgt->alloc_10_100ms_cnt,
smgt->alloc_100ms_up_cnt
);
BUFPRINT("\tfree time max us:%d\n",
smgt->free_max_us);
BUFPRINT("\tfree cnt:%d step:%d:%d:%d:%d:%d:%d:%d\n",
smgt->free_cnt,
smgt->free_10us_less_cnt,
smgt->free_10_50us_cnt,
smgt->free_50_100us_cnt,
smgt->free_100_1000us_cnt,
smgt->free_1_10ms_cnt,
smgt->free_10_100ms_cnt,
smgt->free_100ms_up_cnt
);
{
int average_timeus;
u64 divider = smgt->alloc_total_us;
@@ -1887,6 +2083,13 @@ static int codec_mm_scatter_info_dump_in(
0 : (int)divider);
BUFPRINT("\talloc time average us:%d\n",
average_timeus);
divider = smgt->free_total_us;
do_div(divider, smgt->free_cnt);
average_timeus = (smgt->free_cnt == 0 ?
0 : (int)divider);
BUFPRINT("\tfree time average us:%d\n",
average_timeus);
}
#undef BUFPRINT
@@ -2173,8 +2376,10 @@ static int codec_mm_dump_all_scatters_in(struct codec_mm_scatter_mgt *smgt)
}
} while (0);
INFO_LOG("start dump free scatters!\n");
if (smgt->cache_sc)
codec_mm_dump_scatter(smgt->cache_sc, 0, 0);
if (smgt->cache_scs[0])
codec_mm_dump_scatter(smgt->cache_scs[0], 0, 0);
if (smgt->cache_scs[1])
codec_mm_dump_scatter(smgt->cache_scs[1], 0, 0);
codec_mm_list_unlock(smgt);
INFO_LOG("finished dump all scatters!\n");
return 0;
@@ -2237,7 +2442,7 @@ int codec_mm_scatter_mgt_delay_free_swith(
}
}
codec_mm_list_unlock(smgt);
if (on && wait_size_M > 0 && !is_tvp) {
if (on && wait_size_M > 0 /*&& !is_tvp*/) {
smgt->force_cache_on = 1;
smgt->force_cache_page_cnt = wait_size_M >> PAGE_SHIFT;
smgt->delay_free_timeout_jiffies64 =
@@ -2245,9 +2450,8 @@ int codec_mm_scatter_mgt_delay_free_swith(
codec_mm_schedule_delay_work(smgt, 0, 1);/*start cache*/
#if 0
while (smgt->total_page_num < smgt->force_cache_page_cnt) {
if (smgt->cache_sc &&
(smgt->cached_pages >=
smgt->cache_sc->page_max_cnt - 100)) {
if (smgt->cache_scs[0] &&
(smgt->cached_pages >= 65000)) {
/*cache sc fulled.*/
break;
}
@@ -2303,7 +2507,7 @@ static void codec_mm_scatter_cache_manage(
(smgt->force_cache_on &&/*on star cache*/
(smgt->total_page_num < smgt->force_cache_page_cnt))
) {/*first 500ms ,alloc double.*/
mms = smgt->cache_sc;
mms = codec_mm_get_next_cache_scatter(smgt, NULL, 0);
if (mms) {
int need;
int once_alloc = 1000;/*once 4M*/
@@ -2326,11 +2530,15 @@ static void codec_mm_scatter_cache_manage(
if (need > mms->page_max_cnt)
need = mms->page_max_cnt - 4;
if (need > mms->page_cnt) {
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_SCATTER_ALLOC_WANT_PAGE_IN_2);
alloced =
!codec_mm_scatter_alloc_want_pages_in(
smgt,
mms,
need);
ATRACE_COUNTER("mmu alloc",
MMU_ALLOC_SCATTER_ALLOC_WANT_PAGE_IN_2_END);
} else {
alloced = 0;
}
@@ -2351,7 +2559,7 @@ static void codec_mm_scatter_cache_manage(
time_after64(get_jiffies_64(),
smgt->delay_free_timeout_jiffies64)) {
/*wait time out can free.*/
mms = smgt->cache_sc;
mms = codec_mm_get_next_cache_scatter(smgt, NULL, 0);
if (mms) {/*only free some 1M cache*/
codec_mm_scatter_less_pages(mms,
256);
@@ -2367,11 +2575,11 @@ static void codec_mm_scatter_cache_manage(
}
if (smgt->keep_size_PAGE > 0 && smgt->delay_free_on) {
if (((smgt->force_cache_on ||
(total_free_page < smgt->keep_size_PAGE)) &&
!smgt->tvp_mode) &&
(total_free_page < smgt->keep_size_PAGE)) /*&&*/
/*!smgt->tvp_mode*/) &&
alloced) {/*if failed may deadlock...*/
/*ignore keep on tvp mode.*/
if (smgt->force_cache_on)
if (smgt->force_cache_on && !smgt->tvp_mode)
codec_mm_schedule_delay_work(smgt, 0, 1);
else
codec_mm_schedule_delay_work(smgt, 10, 0);
@@ -2391,26 +2599,43 @@ static int codec_mm_scatter_scatter_arrange(
struct list_head *pos, *tmp;
int n = 0;
if (smgt->delay_free_on > 0 && !smgt->cache_sc) {
/*no free scatter.*/
if (smgt->delay_free_on > 0 && !smgt->cache_scs[0]) {
/*cache1*/
mms = codec_mm_scatter_alloc_new(smgt, 16384, 0);
if (mms) {
codec_mm_list_lock(smgt);
list_del_init(&mms->list);
smgt->cache_sc = mms;
smgt->cache_scs[0] = mms;
codec_mm_list_unlock(smgt);
}
/*cache2*/
mms = codec_mm_scatter_alloc_new(smgt, 16384, 0);
if (mms) {
codec_mm_list_lock(smgt);
list_del_init(&mms->list);
smgt->cache_scs[1] = mms;
codec_mm_list_unlock(smgt);
}
}
if (smgt->delay_free_on <= 0 && smgt->cache_sc &&
if (smgt->delay_free_on <= 0 && smgt->cache_scs[0] &&
time_after64(get_jiffies_64(),
smgt->delay_free_timeout_jiffies64)) {
struct codec_mm_scatter *mms0, *mms1;
codec_mm_list_lock(smgt);
mms = smgt->cache_sc;
smgt->cache_sc = NULL;
mms0 = smgt->cache_scs[0];
mms1 = smgt->cache_scs[1];
smgt->cache_scs[0] = NULL;
smgt->cache_scs[1] = NULL;
smgt->cached_pages = 0;
codec_mm_list_unlock(smgt);
codec_mm_scatter_dec_owner_user(mms, 0);
codec_mm_scatter_free_on_nouser(smgt, mms);
if (mms0) {
codec_mm_scatter_dec_owner_user(mms0, 0);
codec_mm_scatter_free_on_nouser(smgt, mms0);
}
if (mms1) {
codec_mm_scatter_dec_owner_user(mms1, 0);
codec_mm_scatter_free_on_nouser(smgt, mms1);
}
}
codec_mm_list_lock(smgt);
@@ -2461,6 +2686,7 @@ static int codec_mm_scatter_scatter_clear(
break;
}
}
if ((to_free_mms != NULL) &&
(((to_free_mms_cnt > 1 || !smgt->delay_free_on) &&
time_after(jiffies, to_free_mms->tofree_jiffies)) ||
@@ -2506,8 +2732,9 @@ static int codec_mm_scatter_free_all_ignorecache_in(
/*disabled free on first. */
smgt->delay_free_on = 0;
codec_mm_list_lock(smgt);
mms = smgt->cache_sc;
smgt->cache_sc = NULL;
mms = smgt->cache_scs[0];
smgt->cache_scs[0] = smgt->cache_scs[1];
smgt->cache_scs[1] = NULL;
smgt->cached_pages = 0;
codec_mm_list_unlock(smgt);
if (mms) {
@@ -2518,7 +2745,7 @@ static int codec_mm_scatter_free_all_ignorecache_in(
}
/*alloced again on timer?*/
/* check again. */
} while (smgt->cache_sc != NULL);
} while (smgt->cache_scs[0] != NULL);
do {
need_retry = codec_mm_scatter_scatter_clear(smgt, 1);
} while ((smgt->scatters_cnt > 0) && (retry_num++ < 1000));

47
include/linux/amlogic/media/codec_mm/codec_mm_scatter.h
View File

@@ -47,6 +47,53 @@ struct codec_mm_scatter {
struct list_head list; /*hold list. */
};
enum e_mmu_free_status {
MMU_FREE_START,
MMU_FREE_START_LOCK,
MMU_FREE_SCATTER_START,
MMU_FREE_SCATTER_START_LOCK,
MMU_FREE_SCATTER_START_DTS,
MMU_FREE_SCATTER_START_DTS_LOCK,
MMU_FREE_SCATTER_START_SMGT,
MMU_FREE_SCATTER_START_SMGT_LOCK,
MMU_FREE_SCATTER_START_SMGT_LOCK_DONE,
MMU_FREE_SCATTER_START_DTS_LOCK_DONE,
MMU_FREE_SCATTER_START_LOCK_DONE,
MMU_FREE_START_LOCK_DONE,
};
enum e_mmu_alloc_status {
MMU_ALLOC_START,
MMU_ALLOC_START_LOCK,
MMU_ALLOC_SCATTER_START,
MMU_ALLOC_SCATTER_START_LOCK,
MMU_ALLOC_SCATTER_START_LOCK_DONE,
MMU_ALLOC_SCATTER_ALLOC_NEW,
MMU_ALLOC_SCATTER_ALLOC_NEW_END,
MMU_ALLOC_SCATTER_ALLOC_WANT_PAGE_IN,
MMU_ALLOC_SCATTER_LOCK,
MMU_ALLOC_SCATTER_LOCK_END,
MMU_ALLOC_from_cache_scatter,
MMU_ALLOC_from_cache_scatter_1,
MMU_ALLOC_from_cache_scatter_2,
MMU_ALLOC_from_cache_scatter_3,
MMU_ALLOC_from_cache_scatter_4,
MMU_ALLOC_from_cache_scatter_5,
MMU_ALLOC_from_cache_scatter_end,
MMU_ALLOC_from_free_scatter,
MMU_ALLOC_from_free_scatter_end,
MMU_ALLOC_from_slot,
MMU_ALLOC_from_slot_end,
MMU_ALLOC_LIST_LOCK_START,
MMU_ALLOC_LIST_LOCK,
MMU_ALLOC_LIST_LOCK_END,
MMU_ALLOC_SCATTER_ALLOC_WANT_PAGE_IN_END,
MMU_ALLOC_SCATTER_ALLOC_WANT_PAGE_IN_2,
MMU_ALLOC_SCATTER_ALLOC_WANT_PAGE_IN_2_END,
MMU_ALLOC_START_LOCK_DONE,
};
int codec_mm_scatter_free_all_pages(struct codec_mm_scatter *mms);
int codec_mm_scatter_free_tail_pages(struct codec_mm_scatter *mms,